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Biol 186 UVIC Midterm Exam with Questions and 100% Correct Verified Solutions
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Biol 186 UVIC Midterm Exam with Questions and 100% Correct Verified Solutions
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Biol 186 UVIC Midterm Exam withQuestions and 100% Correct Verified
Solutions
Nucleus - Answer Protected area, bound by two membranes, where chromosomes
are located and where genes are transcribed.
What are the contents of the nucleus? - Answer Chromatin, nucleolus, enzymes that
work on DNA, and the nuclear lamina.
Chromatin - Answer Half protein, half DNA.
Nucleolus - Answer Site of ribosome assembly, ribosomal RNA genes are located here.
Enzymes that work on DNA - Answer DNA polymerase, RNA polymerase
Nuclear Lamina - Answer Looks like a fabric, network of very tough proteins that
underlie the nuclear envelope. The nuclear envelope is weak so its shape is
maintained by the nuclear lamina.
Ribosomes are where _________ synthesis takes place. - Answer Protein synthesis
Ribosomes consist of... - Answer Two subunits, a larger one and a smaller one, each
composed of ribosomal RNA and many proteins.
, Free ribosomes are located in the... - Answer Cytosol
Cytosol - Answer Aqueous part of the cytoplasm.
Free ribosomes make proteins which will be active in... - Answer cytosol,
chloroplast, mitochondrion, nucleoplasm, peroxisomes.
Endomembrane System - Answer Network of elements connected either or by means of
transport vesicles. These elements are involved in the synthesis, modification, packaging
and shipping of proteins bound for various destinations.
Rough ER - Answer Has ribosomes, synthesizes proteins.
Smooth ER - Answer No ribosomes, involved in lipid synthesis, contains detoxification
enzymes.
Transport Vesicles - Answer Membrane bound spheres which carry certain carbon.
Golgi body and endoplasmic reticulum are indirectly connected by transport vesicles.
Golgi Apparatus - Answer Where carbohydrate parts of glycoproteins are
started, involved with shipping, and denaturation of materials.
Lysosomes - Answer Little sacks of potentially harmful enzymes, class of enzymes
called acid hydrolases, they digest the food of the cell or break down and recycle
garbage and poisons.
Vacuole - Answer Water filled compartment, makes the plant cell bigger without
need of elaborate material. Can absorb a lot of water.
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